If we toss a pair of dice, what is the probability that a sum of 8 appears? Answer 4 / 36 1 / 36 1 / 6 5 / 36
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first you need to figure out what combos out of 1-5 add up to 8. then you need to determine how many pairs of combos you have. add the pairs up and you have the answer.
The sample space has 36 possible combinations of numbers. These can be set out in column form as follows: 6,6 5,6 4,6 3,6 2,6 1,6 6,5 5,5 4,5 3,5 2,5 1,5 6,4 5,4 4,4 3,4 2,4 1,4 6,3 5,3 4,3 3,3 2,3 1,3 6,2 5,2 4,2 3,2 2,2 1,2 6,1 5,1 4,1 3,1 2,1 1,1 You need to count the number of times a sum of 8 occurs. Then divide this number by 36 to find the probability of getting a sum of 8.
my answer would be 5/36?
Correct!
Thnx guys.
You're welcome :)
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